Well, I said coincidence.
That card most likely was defective acounting to it's nature and origin, and it just began to give up while I played almost exclusively FTD.
Though, now FTD has so unbearable GPU appetite that very few of my games can compare with it, and those are famous for unnecessarily high demands.

Makes things.The fastest thing in the universe is sluggish... Years, decades, centuries from star to star.﻿